4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
29 #include "monitor/qdev.h"
31 #include "hw/pci/pci.h"
32 #include "sysemu/watchdog.h"
33 #include "hw/loader.h"
34 #include "exec/gdbstub.h"
36 #include "net/slirp.h"
37 #include "chardev/char-fe.h"
38 #include "chardev/char-io.h"
39 #include "chardev/char-mux.h"
40 #include "ui/qemu-spice.h"
41 #include "sysemu/numa.h"
42 #include "monitor/monitor.h"
43 #include "qemu/config-file.h"
44 #include "qemu/readline.h"
45 #include "ui/console.h"
47 #include "sysemu/block-backend.h"
48 #include "audio/audio.h"
49 #include "disas/disas.h"
50 #include "sysemu/balloon.h"
51 #include "qemu/timer.h"
52 #include "sysemu/hw_accel.h"
54 #include "sysemu/tpm.h"
55 #include "qapi/qmp/qdict.h"
56 #include "qapi/qmp/qerror.h"
57 #include "qapi/qmp/qnum.h"
58 #include "qapi/qmp/qstring.h"
59 #include "qapi/qmp/qjson.h"
60 #include "qapi/qmp/json-streamer.h"
61 #include "qapi/qmp/json-parser.h"
62 #include "qapi/qmp/qlist.h"
63 #include "qom/object_interfaces.h"
64 #include "trace-root.h"
65 #include "trace/control.h"
66 #include "monitor/hmp-target.h"
67 #ifdef CONFIG_TRACE_SIMPLE
68 #include "trace/simple.h"
70 #include "exec/memory.h"
71 #include "exec/exec-all.h"
73 #include "qemu/option.h"
75 #include "qemu/thread.h"
76 #include "block/qapi.h"
77 #include "qapi/qapi-commands.h"
78 #include "qapi/qapi-events.h"
79 #include "qapi/error.h"
80 #include "qapi/qmp-event.h"
81 #include "qapi/qapi-introspect.h"
82 #include "sysemu/qtest.h"
83 #include "sysemu/cpus.h"
84 #include "sysemu/iothread.h"
85 #include "qemu/cutils.h"
87 #if defined(TARGET_S390X)
88 #include "hw/s390x/storage-keys.h"
89 #include "hw/s390x/storage-attributes.h"
96 * 'B' block device name
97 * 's' string (accept optional quote)
98 * 'S' it just appends the rest of the string (accept optional quote)
99 * 'O' option string of the form NAME=VALUE,...
100 * parsed according to QemuOptsList given by its name
101 * Example: 'device:O' uses qemu_device_opts.
102 * Restriction: only lists with empty desc are supported
103 * TODO lift the restriction
105 * 'l' target long (32 or 64 bit)
106 * 'M' Non-negative target long (32 or 64 bit), in user mode the
107 * value is multiplied by 2^20 (think Mebibyte)
108 * 'o' octets (aka bytes)
109 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
110 * K, k suffix, which multiplies the value by 2^60 for suffixes E
111 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
112 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
114 * user mode accepts an optional ms, us, ns suffix,
115 * which divides the value by 1e3, 1e6, 1e9, respectively
116 * '/' optional gdb-like print format (like "/10x")
118 * '?' optional type (for all types, except '/')
119 * '.' other form of optional type (for 'i' and 'l')
121 * user mode accepts "on" or "off"
122 * '-' optional parameter (eg. '-f')
126 typedef struct mon_cmd_t
{
128 const char *args_type
;
131 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
132 /* @sub_table is a list of 2nd level of commands. If it does not exist,
133 * cmd should be used. If it exists, sub_table[?].cmd should be
134 * used, and cmd of 1st level plays the role of help function.
136 struct mon_cmd_t
*sub_table
;
137 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
140 /* file descriptors passed via SCM_RIGHTS */
141 typedef struct mon_fd_t mon_fd_t
;
145 QLIST_ENTRY(mon_fd_t
) next
;
148 /* file descriptor associated with a file descriptor set */
149 typedef struct MonFdsetFd MonFdsetFd
;
154 QLIST_ENTRY(MonFdsetFd
) next
;
157 /* file descriptor set containing fds passed via SCM_RIGHTS */
158 typedef struct MonFdset MonFdset
;
161 QLIST_HEAD(, MonFdsetFd
) fds
;
162 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
163 QLIST_ENTRY(MonFdset
) next
;
167 JSONMessageParser parser
;
169 * When a client connects, we're in capabilities negotiation mode.
170 * When command qmp_capabilities succeeds, we go into command
173 QmpCommandList
*commands
;
174 bool qmp_caps
[QMP_CAPABILITY__MAX
];
176 * Protects qmp request/response queue. Please take monitor_lock
177 * first when used together.
179 QemuMutex qmp_queue_lock
;
180 /* Input queue that holds all the parsed QMP requests */
181 GQueue
*qmp_requests
;
182 /* Output queue contains all the QMP responses in order */
183 GQueue
*qmp_responses
;
187 * To prevent flooding clients, events can be throttled. The
188 * throttling is calculated globally, rather than per-Monitor
191 typedef struct MonitorQAPIEventState
{
192 QAPIEvent event
; /* Throttling state for this event type and... */
193 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
194 QEMUTimer
*timer
; /* Timer for handling delayed events */
195 QDict
*qdict
; /* Delayed event (if any) */
196 } MonitorQAPIEventState
;
199 int64_t rate
; /* Minimum time (in ns) between two events */
200 } MonitorQAPIEventConf
;
206 int suspend_cnt
; /* Needs to be accessed atomically */
212 BlockCompletionFunc
*password_completion_cb
;
213 void *password_opaque
;
214 mon_cmd_t
*cmd_table
;
215 QLIST_HEAD(,mon_fd_t
) fds
;
216 QTAILQ_ENTRY(Monitor
) entry
;
219 * The per-monitor lock. We can't access guest memory when holding
225 * Fields that are protected by the per-monitor lock.
229 /* Read under either BQL or mon_lock, written with BQL+mon_lock. */
233 /* Let's add monitor global variables to this struct. */
235 IOThread
*mon_iothread
;
236 /* Bottom half to dispatch the requests received from IO thread */
237 QEMUBH
*qmp_dispatcher_bh
;
238 /* Bottom half to deliver the responses back to clients */
239 QEMUBH
*qmp_respond_bh
;
243 /* Owner of the request */
245 /* "id" field of the request */
247 /* Request object to be handled */
250 * Whether we need to resume the monitor afterward. This flag is
251 * used to emulate the old QMP server behavior that the current
252 * command must be completed before execution of the next one.
256 typedef struct QMPRequest QMPRequest
;
258 /* QMP checker flags */
259 #define QMP_ACCEPT_UNKNOWNS 1
261 /* Protects mon_list, monitor_event_state. */
262 static QemuMutex monitor_lock
;
264 static QTAILQ_HEAD(mon_list
, Monitor
) mon_list
;
265 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
266 static int mon_refcount
;
268 static mon_cmd_t mon_cmds
[];
269 static mon_cmd_t info_cmds
[];
271 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
275 static QEMUClockType event_clock_type
= QEMU_CLOCK_REALTIME
;
277 static void monitor_command_cb(void *opaque
, const char *cmdline
,
278 void *readline_opaque
);
281 * Is @mon a QMP monitor?
283 static inline bool monitor_is_qmp(const Monitor
*mon
)
285 return (mon
->flags
& MONITOR_USE_CONTROL
);
289 * Whether @mon is using readline? Note: not all HMP monitors use
290 * readline, e.g., gdbserver has a non-interactive HMP monitor, so
291 * readline is not used there.
293 static inline bool monitor_uses_readline(const Monitor
*mon
)
295 return mon
->flags
& MONITOR_USE_READLINE
;
298 static inline bool monitor_is_hmp_non_interactive(const Monitor
*mon
)
300 return !monitor_is_qmp(mon
) && !monitor_uses_readline(mon
);
304 * Is the current monitor, if any, a QMP monitor?
306 bool monitor_cur_is_qmp(void)
308 return cur_mon
&& monitor_is_qmp(cur_mon
);
311 void monitor_read_command(Monitor
*mon
, int show_prompt
)
316 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
318 readline_show_prompt(mon
->rs
);
321 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
325 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
326 /* prompt is printed on return from the command handler */
329 monitor_printf(mon
, "terminal does not support password prompting\n");
334 static void qmp_request_free(QMPRequest
*req
)
336 qobject_unref(req
->id
);
337 qobject_unref(req
->req
);
341 /* Must with the mon->qmp.qmp_queue_lock held */
342 static void monitor_qmp_cleanup_req_queue_locked(Monitor
*mon
)
344 while (!g_queue_is_empty(mon
->qmp
.qmp_requests
)) {
345 qmp_request_free(g_queue_pop_head(mon
->qmp
.qmp_requests
));
349 /* Must with the mon->qmp.qmp_queue_lock held */
350 static void monitor_qmp_cleanup_resp_queue_locked(Monitor
*mon
)
352 while (!g_queue_is_empty(mon
->qmp
.qmp_responses
)) {
353 qobject_unref((QObject
*)g_queue_pop_head(mon
->qmp
.qmp_responses
));
357 static void monitor_qmp_cleanup_queues(Monitor
*mon
)
359 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
360 monitor_qmp_cleanup_req_queue_locked(mon
);
361 monitor_qmp_cleanup_resp_queue_locked(mon
);
362 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
366 static void monitor_flush_locked(Monitor
*mon
);
368 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
371 Monitor
*mon
= opaque
;
373 qemu_mutex_lock(&mon
->mon_lock
);
375 monitor_flush_locked(mon
);
376 qemu_mutex_unlock(&mon
->mon_lock
);
380 /* Called with mon->mon_lock held. */
381 static void monitor_flush_locked(Monitor
*mon
)
387 if (mon
->skip_flush
) {
391 buf
= qstring_get_str(mon
->outbuf
);
392 len
= qstring_get_length(mon
->outbuf
);
394 if (len
&& !mon
->mux_out
) {
395 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
396 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
397 /* all flushed or error */
398 qobject_unref(mon
->outbuf
);
399 mon
->outbuf
= qstring_new();
404 QString
*tmp
= qstring_from_str(buf
+ rc
);
405 qobject_unref(mon
->outbuf
);
408 if (mon
->out_watch
== 0) {
410 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
411 monitor_unblocked
, mon
);
416 void monitor_flush(Monitor
*mon
)
418 qemu_mutex_lock(&mon
->mon_lock
);
419 monitor_flush_locked(mon
);
420 qemu_mutex_unlock(&mon
->mon_lock
);
423 /* flush at every end of line */
424 static void monitor_puts(Monitor
*mon
, const char *str
)
428 qemu_mutex_lock(&mon
->mon_lock
);
434 qstring_append_chr(mon
->outbuf
, '\r');
436 qstring_append_chr(mon
->outbuf
, c
);
438 monitor_flush_locked(mon
);
441 qemu_mutex_unlock(&mon
->mon_lock
);
444 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
451 if (monitor_is_qmp(mon
)) {
455 buf
= g_strdup_vprintf(fmt
, ap
);
456 monitor_puts(mon
, buf
);
460 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
464 monitor_vprintf(mon
, fmt
, ap
);
468 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
472 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
477 static void monitor_json_emitter_raw(Monitor
*mon
,
482 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
483 qobject_to_json(data
);
484 assert(json
!= NULL
);
486 qstring_append_chr(json
, '\n');
487 monitor_puts(mon
, qstring_get_str(json
));
492 static void monitor_json_emitter(Monitor
*mon
, QObject
*data
)
494 if (mon
->use_io_thr
) {
496 * If using IO thread, we need to queue the item so that IO
497 * thread will do the rest for us. Take refcount so that
498 * caller won't free the data (which will be finally freed in
501 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
502 g_queue_push_tail(mon
->qmp
.qmp_responses
, qobject_ref(data
));
503 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
504 qemu_bh_schedule(mon_global
.qmp_respond_bh
);
507 * If not using monitor IO thread, then we are in main thread.
508 * Do the emission right away.
510 monitor_json_emitter_raw(mon
, data
);
518 typedef struct QMPResponse QMPResponse
;
521 * Return one QMPResponse. The response is only valid if
522 * response.data is not NULL.
524 static QMPResponse
monitor_qmp_response_pop_one(void)
527 QObject
*data
= NULL
;
529 qemu_mutex_lock(&monitor_lock
);
530 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
531 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
532 data
= g_queue_pop_head(mon
->qmp
.qmp_responses
);
533 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
538 qemu_mutex_unlock(&monitor_lock
);
539 return (QMPResponse
) { .mon
= mon
, .data
= data
};
542 static void monitor_qmp_bh_responder(void *opaque
)
544 QMPResponse response
;
547 response
= monitor_qmp_response_pop_one();
548 if (!response
.data
) {
551 monitor_json_emitter_raw(response
.mon
, response
.data
);
552 qobject_unref(response
.data
);
556 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
557 /* Limit guest-triggerable events to 1 per second */
558 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
559 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
560 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
561 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
562 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
563 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
566 GHashTable
*monitor_qapi_event_state
;
569 * Emits the event to every monitor instance, @event is only used for trace
570 * Called with monitor_lock held.
572 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
576 trace_monitor_protocol_event_emit(event
, qdict
);
577 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
578 if (monitor_is_qmp(mon
)
579 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
580 monitor_json_emitter(mon
, QOBJECT(qdict
));
585 static void monitor_qapi_event_handler(void *opaque
);
588 * Queue a new event for emission to Monitor instances,
589 * applying any rate limiting if required.
592 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
594 MonitorQAPIEventConf
*evconf
;
595 MonitorQAPIEventState
*evstate
;
597 assert(event
< QAPI_EVENT__MAX
);
598 evconf
= &monitor_qapi_event_conf
[event
];
599 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
601 qemu_mutex_lock(&monitor_lock
);
604 /* Unthrottled event */
605 monitor_qapi_event_emit(event
, qdict
);
607 QDict
*data
= qobject_to(QDict
, qdict_get(qdict
, "data"));
608 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
610 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
611 assert(!evstate
|| timer_pending(evstate
->timer
));
615 * Timer is pending for (at least) evconf->rate ns after
616 * last send. Store event for sending when timer fires,
617 * replacing a prior stored event if any.
619 qobject_unref(evstate
->qdict
);
620 evstate
->qdict
= qobject_ref(qdict
);
623 * Last send was (at least) evconf->rate ns ago.
624 * Send immediately, and arm the timer to call
625 * monitor_qapi_event_handler() in evconf->rate ns. Any
626 * events arriving before then will be delayed until then.
628 int64_t now
= qemu_clock_get_ns(event_clock_type
);
630 monitor_qapi_event_emit(event
, qdict
);
632 evstate
= g_new(MonitorQAPIEventState
, 1);
633 evstate
->event
= event
;
634 evstate
->data
= qobject_ref(data
);
635 evstate
->qdict
= NULL
;
636 evstate
->timer
= timer_new_ns(event_clock_type
,
637 monitor_qapi_event_handler
,
639 g_hash_table_add(monitor_qapi_event_state
, evstate
);
640 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
644 qemu_mutex_unlock(&monitor_lock
);
648 * This function runs evconf->rate ns after sending a throttled
650 * If another event has since been stored, send it.
652 static void monitor_qapi_event_handler(void *opaque
)
654 MonitorQAPIEventState
*evstate
= opaque
;
655 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
657 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
658 qemu_mutex_lock(&monitor_lock
);
660 if (evstate
->qdict
) {
661 int64_t now
= qemu_clock_get_ns(event_clock_type
);
663 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
664 qobject_unref(evstate
->qdict
);
665 evstate
->qdict
= NULL
;
666 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
668 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
669 qobject_unref(evstate
->data
);
670 timer_free(evstate
->timer
);
674 qemu_mutex_unlock(&monitor_lock
);
677 static unsigned int qapi_event_throttle_hash(const void *key
)
679 const MonitorQAPIEventState
*evstate
= key
;
680 unsigned int hash
= evstate
->event
* 255;
682 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
683 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
686 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
687 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
693 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
695 const MonitorQAPIEventState
*eva
= a
;
696 const MonitorQAPIEventState
*evb
= b
;
698 if (eva
->event
!= evb
->event
) {
702 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
703 return !strcmp(qdict_get_str(eva
->data
, "id"),
704 qdict_get_str(evb
->data
, "id"));
707 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
708 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
709 qdict_get_str(evb
->data
, "node-name"));
715 static void monitor_qapi_event_init(void)
717 if (qtest_enabled()) {
718 event_clock_type
= QEMU_CLOCK_VIRTUAL
;
721 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
722 qapi_event_throttle_equal
);
723 qmp_event_set_func_emit(monitor_qapi_event_queue
);
726 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
728 static void monitor_data_init(Monitor
*mon
, bool skip_flush
,
731 memset(mon
, 0, sizeof(Monitor
));
732 qemu_mutex_init(&mon
->mon_lock
);
733 qemu_mutex_init(&mon
->qmp
.qmp_queue_lock
);
734 mon
->outbuf
= qstring_new();
735 /* Use *mon_cmds by default. */
736 mon
->cmd_table
= mon_cmds
;
737 mon
->skip_flush
= skip_flush
;
738 mon
->use_io_thr
= use_io_thr
;
739 mon
->qmp
.qmp_requests
= g_queue_new();
740 mon
->qmp
.qmp_responses
= g_queue_new();
743 static void monitor_data_destroy(Monitor
*mon
)
745 g_free(mon
->mon_cpu_path
);
746 qemu_chr_fe_deinit(&mon
->chr
, false);
747 if (monitor_is_qmp(mon
)) {
748 json_message_parser_destroy(&mon
->qmp
.parser
);
750 readline_free(mon
->rs
);
751 qobject_unref(mon
->outbuf
);
752 qemu_mutex_destroy(&mon
->mon_lock
);
753 qemu_mutex_destroy(&mon
->qmp
.qmp_queue_lock
);
754 monitor_qmp_cleanup_req_queue_locked(mon
);
755 monitor_qmp_cleanup_resp_queue_locked(mon
);
756 g_queue_free(mon
->qmp
.qmp_requests
);
757 g_queue_free(mon
->qmp
.qmp_responses
);
760 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
761 int64_t cpu_index
, Error
**errp
)
764 Monitor
*old_mon
, hmp
;
766 monitor_data_init(&hmp
, true, false);
772 int ret
= monitor_set_cpu(cpu_index
);
775 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
781 handle_hmp_command(&hmp
, command_line
);
784 qemu_mutex_lock(&hmp
.mon_lock
);
785 if (qstring_get_length(hmp
.outbuf
) > 0) {
786 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
788 output
= g_strdup("");
790 qemu_mutex_unlock(&hmp
.mon_lock
);
793 monitor_data_destroy(&hmp
);
797 static int compare_cmd(const char *name
, const char *list
)
799 const char *p
, *pstart
;
807 p
= pstart
+ strlen(pstart
);
808 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
817 static int get_str(char *buf
, int buf_size
, const char **pp
)
825 while (qemu_isspace(*p
)) {
836 while (*p
!= '\0' && *p
!= '\"') {
852 printf("unsupported escape code: '\\%c'\n", c
);
855 if ((q
- buf
) < buf_size
- 1) {
859 if ((q
- buf
) < buf_size
- 1) {
866 printf("unterminated string\n");
871 while (*p
!= '\0' && !qemu_isspace(*p
)) {
872 if ((q
- buf
) < buf_size
- 1) {
885 static void free_cmdline_args(char **args
, int nb_args
)
889 assert(nb_args
<= MAX_ARGS
);
891 for (i
= 0; i
< nb_args
; i
++) {
898 * Parse the command line to get valid args.
899 * @cmdline: command line to be parsed.
900 * @pnb_args: location to store the number of args, must NOT be NULL.
901 * @args: location to store the args, which should be freed by caller, must
904 * Returns 0 on success, negative on failure.
906 * NOTE: this parser is an approximate form of the real command parser. Number
907 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
908 * return with failure.
910 static int parse_cmdline(const char *cmdline
,
911 int *pnb_args
, char **args
)
920 while (qemu_isspace(*p
)) {
926 if (nb_args
>= MAX_ARGS
) {
929 ret
= get_str(buf
, sizeof(buf
), &p
);
933 args
[nb_args
] = g_strdup(buf
);
940 free_cmdline_args(args
, nb_args
);
944 static void help_cmd_dump_one(Monitor
*mon
,
945 const mon_cmd_t
*cmd
,
951 for (i
= 0; i
< prefix_args_nb
; i
++) {
952 monitor_printf(mon
, "%s ", prefix_args
[i
]);
954 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
957 /* @args[@arg_index] is the valid command need to find in @cmds */
958 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
959 char **args
, int nb_args
, int arg_index
)
961 const mon_cmd_t
*cmd
;
963 /* No valid arg need to compare with, dump all in *cmds */
964 if (arg_index
>= nb_args
) {
965 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
966 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
971 /* Find one entry to dump */
972 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
973 if (compare_cmd(args
[arg_index
], cmd
->name
)) {
974 if (cmd
->sub_table
) {
975 /* continue with next arg */
976 help_cmd_dump(mon
, cmd
->sub_table
,
977 args
, nb_args
, arg_index
+ 1);
979 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
986 static void help_cmd(Monitor
*mon
, const char *name
)
988 char *args
[MAX_ARGS
];
991 /* 1. parse user input */
993 /* special case for log, directly dump and return */
994 if (!strcmp(name
, "log")) {
995 const QEMULogItem
*item
;
996 monitor_printf(mon
, "Log items (comma separated):\n");
997 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
998 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
999 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
1004 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
1009 /* 2. dump the contents according to parsed args */
1010 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
1012 free_cmdline_args(args
, nb_args
);
1015 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
1017 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
1020 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
1022 const char *tp_name
= qdict_get_str(qdict
, "name");
1023 bool new_state
= qdict_get_bool(qdict
, "option");
1024 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1025 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1026 Error
*local_err
= NULL
;
1029 monitor_printf(mon
, "argument vcpu must be positive");
1033 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
1035 error_report_err(local_err
);
1039 #ifdef CONFIG_TRACE_SIMPLE
1040 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
1042 const char *op
= qdict_get_try_str(qdict
, "op");
1043 const char *arg
= qdict_get_try_str(qdict
, "arg");
1046 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
1047 } else if (!strcmp(op
, "on")) {
1048 st_set_trace_file_enabled(true);
1049 } else if (!strcmp(op
, "off")) {
1050 st_set_trace_file_enabled(false);
1051 } else if (!strcmp(op
, "flush")) {
1052 st_flush_trace_buffer();
1053 } else if (!strcmp(op
, "set")) {
1055 st_set_trace_file(arg
);
1058 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
1059 help_cmd(mon
, "trace-file");
1064 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
1066 help_cmd(mon
, "info");
1069 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
1071 CommandInfoList
*info
, **list
= opaque
;
1073 if (!cmd
->enabled
) {
1077 info
= g_malloc0(sizeof(*info
));
1078 info
->value
= g_malloc0(sizeof(*info
->value
));
1079 info
->value
->name
= g_strdup(cmd
->name
);
1084 CommandInfoList
*qmp_query_commands(Error
**errp
)
1086 CommandInfoList
*list
= NULL
;
1088 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
1093 EventInfoList
*qmp_query_events(Error
**errp
)
1095 EventInfoList
*info
, *ev_list
= NULL
;
1098 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
1099 const char *event_name
= QAPIEvent_str(e
);
1100 assert(event_name
!= NULL
);
1101 info
= g_malloc0(sizeof(*info
));
1102 info
->value
= g_malloc0(sizeof(*info
->value
));
1103 info
->value
->name
= g_strdup(event_name
);
1105 info
->next
= ev_list
;
1113 * Minor hack: generated marshalling suppressed for this command
1114 * ('gen': false in the schema) so we can parse the JSON string
1115 * directly into QObject instead of first parsing it with
1116 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1117 * to QObject with generated output marshallers, every time. Instead,
1118 * we do it in test-qobject-input-visitor.c, just to make sure
1119 * qapi-gen.py's output actually conforms to the schema.
1121 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
1124 *ret_data
= qobject_from_qlit(&qmp_schema_qlit
);
1128 * We used to define commands in qmp-commands.hx in addition to the
1129 * QAPI schema. This permitted defining some of them only in certain
1130 * configurations. query-commands has always reflected that (good,
1131 * because it lets QMP clients figure out what's actually available),
1132 * while query-qmp-schema never did (not so good). This function is a
1133 * hack to keep the configuration-specific commands defined exactly as
1134 * before, even though qmp-commands.hx is gone.
1136 * FIXME Educate the QAPI schema on configuration-specific commands,
1137 * and drop this hack.
1139 static void qmp_unregister_commands_hack(void)
1141 #ifndef CONFIG_SPICE
1142 qmp_unregister_command(&qmp_commands
, "query-spice");
1144 #ifndef CONFIG_REPLICATION
1145 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
1146 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
1147 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
1150 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
1151 qmp_unregister_command(&qmp_commands
, "query-sev");
1152 qmp_unregister_command(&qmp_commands
, "query-sev-launch-measure");
1153 qmp_unregister_command(&qmp_commands
, "query-sev-capabilities");
1155 #ifndef TARGET_S390X
1156 qmp_unregister_command(&qmp_commands
, "dump-skeys");
1159 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
1161 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
1162 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
1164 #if !defined(TARGET_S390X)
1165 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
1166 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1168 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1169 && !defined(TARGET_S390X)
1170 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1174 static void monitor_init_qmp_commands(void)
1177 * Two command lists:
1178 * - qmp_commands contains all QMP commands
1179 * - qmp_cap_negotiation_commands contains just
1180 * "qmp_capabilities", to enforce capability negotiation
1183 qmp_init_marshal(&qmp_commands
);
1185 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1186 qmp_query_qmp_schema
, QCO_ALLOW_PRECONFIG
);
1187 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1189 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1192 qmp_unregister_commands_hack();
1194 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1195 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1196 qmp_marshal_qmp_capabilities
, QCO_ALLOW_PRECONFIG
);
1199 static bool qmp_cap_enabled(Monitor
*mon
, QMPCapability cap
)
1201 return mon
->qmp
.qmp_caps
[cap
];
1204 static bool qmp_oob_enabled(Monitor
*mon
)
1206 return qmp_cap_enabled(mon
, QMP_CAPABILITY_OOB
);
1209 static void qmp_caps_check(Monitor
*mon
, QMPCapabilityList
*list
,
1212 for (; list
; list
= list
->next
) {
1213 assert(list
->value
< QMP_CAPABILITY__MAX
);
1214 switch (list
->value
) {
1215 case QMP_CAPABILITY_OOB
:
1216 if (!mon
->use_io_thr
) {
1218 * Out-Of-Band only works with monitors that are
1219 * running on dedicated IOThread.
1221 error_setg(errp
, "This monitor does not support "
1222 "Out-Of-Band (OOB)");
1232 /* This function should only be called after capabilities are checked. */
1233 static void qmp_caps_apply(Monitor
*mon
, QMPCapabilityList
*list
)
1235 for (; list
; list
= list
->next
) {
1236 mon
->qmp
.qmp_caps
[list
->value
] = true;
1241 * Return true if check successful, or false otherwise. When false is
1242 * returned, detailed error will be in errp if provided.
1244 static bool qmp_cmd_oob_check(Monitor
*mon
, QDict
*req
, Error
**errp
)
1246 const char *command
;
1249 command
= qdict_get_try_str(req
, "execute");
1251 error_setg(errp
, "Command field 'execute' missing");
1255 cmd
= qmp_find_command(mon
->qmp
.commands
, command
);
1257 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
1258 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1259 "Expecting capabilities negotiation "
1260 "with 'qmp_capabilities'");
1262 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1263 "The command %s has not been found", command
);
1268 if (qmp_is_oob(req
)) {
1269 if (!qmp_oob_enabled(mon
)) {
1270 error_setg(errp
, "Please enable Out-Of-Band first "
1271 "for the session during capabilities negotiation");
1274 if (!(cmd
->options
& QCO_ALLOW_OOB
)) {
1275 error_setg(errp
, "The command %s does not support OOB",
1284 void qmp_qmp_capabilities(bool has_enable
, QMPCapabilityList
*enable
,
1287 Error
*local_err
= NULL
;
1289 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1290 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1291 "Capabilities negotiation is already complete, command "
1296 /* Enable QMP capabilities provided by the client if applicable. */
1298 qmp_caps_check(cur_mon
, enable
, &local_err
);
1301 * Failed check on any of the capabilities will fail the
1302 * entire command (and thus not apply any of the other
1303 * capabilities that were also requested).
1305 error_propagate(errp
, local_err
);
1308 qmp_caps_apply(cur_mon
, enable
);
1311 cur_mon
->qmp
.commands
= &qmp_commands
;
1314 /* set the current CPU defined by the user */
1315 int monitor_set_cpu(int cpu_index
)
1319 cpu
= qemu_get_cpu(cpu_index
);
1323 g_free(cur_mon
->mon_cpu_path
);
1324 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1328 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1332 if (cur_mon
->mon_cpu_path
) {
1333 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1336 g_free(cur_mon
->mon_cpu_path
);
1337 cur_mon
->mon_cpu_path
= NULL
;
1340 if (!cur_mon
->mon_cpu_path
) {
1344 monitor_set_cpu(first_cpu
->cpu_index
);
1348 cpu_synchronize_state(cpu
);
1353 CPUState
*mon_get_cpu(void)
1355 return mon_get_cpu_sync(true);
1358 CPUArchState
*mon_get_cpu_env(void)
1360 CPUState
*cs
= mon_get_cpu();
1362 return cs
? cs
->env_ptr
: NULL
;
1365 int monitor_get_cpu_index(void)
1367 CPUState
*cs
= mon_get_cpu_sync(false);
1369 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1372 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1374 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1379 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1380 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1386 monitor_printf(mon
, "No CPU available\n");
1390 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1395 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1397 if (!tcg_enabled()) {
1398 error_report("JIT information is only available with accel=tcg");
1402 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1403 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1406 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1408 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1412 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1421 str
= readline_get_history(mon
->rs
, i
);
1424 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1429 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1431 CPUState
*cs
= mon_get_cpu();
1434 monitor_printf(mon
, "No CPU available\n");
1437 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1440 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1442 const char *name
= qdict_get_try_str(qdict
, "name");
1443 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1444 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1445 TraceEventInfoList
*events
;
1446 TraceEventInfoList
*elem
;
1447 Error
*local_err
= NULL
;
1453 monitor_printf(mon
, "argument vcpu must be positive");
1457 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1459 error_report_err(local_err
);
1463 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1464 monitor_printf(mon
, "%s : state %u\n",
1466 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1468 qapi_free_TraceEventInfoList(events
);
1471 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1472 bool has_port
, int64_t port
,
1473 bool has_tls_port
, int64_t tls_port
,
1474 bool has_cert_subject
, const char *cert_subject
,
1477 if (strcmp(protocol
, "spice") == 0) {
1478 if (!qemu_using_spice(errp
)) {
1482 if (!has_port
&& !has_tls_port
) {
1483 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1487 if (qemu_spice_migrate_info(hostname
,
1488 has_port
? port
: -1,
1489 has_tls_port
? tls_port
: -1,
1491 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1497 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1500 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1504 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1506 error_report_err(err
);
1510 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1513 const char *items
= qdict_get_str(qdict
, "items");
1515 if (!strcmp(items
, "none")) {
1518 mask
= qemu_str_to_log_mask(items
);
1520 help_cmd(mon
, "log");
1527 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1529 const char *option
= qdict_get_try_str(qdict
, "option");
1530 if (!option
|| !strcmp(option
, "on")) {
1532 } else if (!strcmp(option
, "off")) {
1535 monitor_printf(mon
, "unexpected option %s\n", option
);
1539 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1541 const char *device
= qdict_get_try_str(qdict
, "device");
1543 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1544 if (gdbserver_start(device
) < 0) {
1545 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1547 } else if (strcmp(device
, "none") == 0) {
1548 monitor_printf(mon
, "Disabled gdbserver\n");
1550 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1555 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1557 const char *action
= qdict_get_str(qdict
, "action");
1558 if (select_watchdog_action(action
) == -1) {
1559 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1563 static void monitor_printc(Monitor
*mon
, int c
)
1565 monitor_printf(mon
, "'");
1568 monitor_printf(mon
, "\\'");
1571 monitor_printf(mon
, "\\\\");
1574 monitor_printf(mon
, "\\n");
1577 monitor_printf(mon
, "\\r");
1580 if (c
>= 32 && c
<= 126) {
1581 monitor_printf(mon
, "%c", c
);
1583 monitor_printf(mon
, "\\x%02x", c
);
1587 monitor_printf(mon
, "'");
1590 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1591 hwaddr addr
, int is_physical
)
1593 int l
, line_size
, i
, max_digits
, len
;
1596 CPUState
*cs
= mon_get_cpu();
1598 if (!cs
&& (format
== 'i' || !is_physical
)) {
1599 monitor_printf(mon
, "Can not dump without CPU\n");
1603 if (format
== 'i') {
1604 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1608 len
= wsize
* count
;
1617 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1621 max_digits
= (wsize
* 8) / 4;
1625 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1634 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1636 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1641 cpu_physical_memory_read(addr
, buf
, l
);
1643 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1644 monitor_printf(mon
, " Cannot access memory\n");
1653 v
= ldub_p(buf
+ i
);
1656 v
= lduw_p(buf
+ i
);
1659 v
= (uint32_t)ldl_p(buf
+ i
);
1665 monitor_printf(mon
, " ");
1668 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1671 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1674 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1677 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1680 monitor_printc(mon
, v
);
1685 monitor_printf(mon
, "\n");
1691 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1693 int count
= qdict_get_int(qdict
, "count");
1694 int format
= qdict_get_int(qdict
, "format");
1695 int size
= qdict_get_int(qdict
, "size");
1696 target_long addr
= qdict_get_int(qdict
, "addr");
1698 memory_dump(mon
, count
, format
, size
, addr
, 0);
1701 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1703 int count
= qdict_get_int(qdict
, "count");
1704 int format
= qdict_get_int(qdict
, "format");
1705 int size
= qdict_get_int(qdict
, "size");
1706 hwaddr addr
= qdict_get_int(qdict
, "addr");
1708 memory_dump(mon
, count
, format
, size
, addr
, 1);
1711 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1713 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1717 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1721 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1722 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1723 memory_region_unref(mrs
.mr
);
1728 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1731 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1733 hwaddr addr
= qdict_get_int(qdict
, "addr");
1734 Error
*local_err
= NULL
;
1735 MemoryRegion
*mr
= NULL
;
1738 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1740 error_report_err(local_err
);
1744 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1746 addr
, mr
->name
, ptr
);
1748 memory_region_unref(mr
);
1752 static uint64_t vtop(void *ptr
, Error
**errp
)
1756 uintptr_t addr
= (uintptr_t) ptr
;
1757 uintptr_t pagesize
= getpagesize();
1758 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1761 fd
= open("/proc/self/pagemap", O_RDONLY
);
1763 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1767 /* Force copy-on-write if necessary. */
1768 atomic_add((uint8_t *)ptr
, 0);
1770 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1771 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1774 if ((pinfo
& (1ull << 63)) == 0) {
1775 error_setg(errp
, "Page not present");
1778 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1785 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1787 hwaddr addr
= qdict_get_int(qdict
, "addr");
1788 Error
*local_err
= NULL
;
1789 MemoryRegion
*mr
= NULL
;
1793 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1795 error_report_err(local_err
);
1799 physaddr
= vtop(ptr
, &local_err
);
1801 error_report_err(local_err
);
1803 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1804 " (%s) is 0x%" PRIx64
"\n",
1805 addr
, mr
->name
, (uint64_t) physaddr
);
1808 memory_region_unref(mr
);
1812 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1814 int format
= qdict_get_int(qdict
, "format");
1815 hwaddr val
= qdict_get_int(qdict
, "val");
1819 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1822 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1825 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1829 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1832 monitor_printc(mon
, val
);
1835 monitor_printf(mon
, "\n");
1838 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1842 uint32_t start
= qdict_get_int(qdict
, "start");
1843 uint32_t size
= qdict_get_int(qdict
, "size");
1846 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1847 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1848 MEMTXATTRS_UNSPECIFIED
, NULL
);
1849 /* BSD sum algorithm ('sum' Unix command) */
1850 sum
= (sum
>> 1) | (sum
<< 15);
1853 monitor_printf(mon
, "%05d\n", sum
);
1856 static int mouse_button_state
;
1858 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1860 int dx
, dy
, dz
, button
;
1861 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1862 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1863 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1865 dx
= strtol(dx_str
, NULL
, 0);
1866 dy
= strtol(dy_str
, NULL
, 0);
1867 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1868 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1871 dz
= strtol(dz_str
, NULL
, 0);
1873 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1874 qemu_input_queue_btn(NULL
, button
, true);
1875 qemu_input_event_sync();
1876 qemu_input_queue_btn(NULL
, button
, false);
1879 qemu_input_event_sync();
1882 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1884 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1885 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1886 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1887 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1889 int button_state
= qdict_get_int(qdict
, "button_state");
1891 if (mouse_button_state
== button_state
) {
1894 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1895 qemu_input_event_sync();
1896 mouse_button_state
= button_state
;
1899 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1901 int size
= qdict_get_int(qdict
, "size");
1902 int addr
= qdict_get_int(qdict
, "addr");
1903 int has_index
= qdict_haskey(qdict
, "index");
1908 int index
= qdict_get_int(qdict
, "index");
1909 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1917 val
= cpu_inb(addr
);
1921 val
= cpu_inw(addr
);
1925 val
= cpu_inl(addr
);
1929 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1930 suffix
, addr
, size
* 2, val
);
1933 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1935 int size
= qdict_get_int(qdict
, "size");
1936 int addr
= qdict_get_int(qdict
, "addr");
1937 int val
= qdict_get_int(qdict
, "val");
1939 addr
&= IOPORTS_MASK
;
1944 cpu_outb(addr
, val
);
1947 cpu_outw(addr
, val
);
1950 cpu_outl(addr
, val
);
1955 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1957 Error
*local_err
= NULL
;
1958 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1960 qemu_boot_set(bootdevice
, &local_err
);
1962 error_report_err(local_err
);
1964 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1968 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1970 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1971 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1973 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
);
1976 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1979 NumaNodeMem
*node_mem
;
1980 CpuInfoList
*cpu_list
, *cpu
;
1982 cpu_list
= qmp_query_cpus(&error_abort
);
1983 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1985 query_numa_node_mem(node_mem
);
1986 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1987 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1988 monitor_printf(mon
, "node %d cpus:", i
);
1989 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1990 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1991 cpu
->value
->props
->node_id
== i
) {
1992 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1995 monitor_printf(mon
, "\n");
1996 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1997 node_mem
[i
].node_mem
>> 20);
1998 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1999 node_mem
[i
].node_plugged_mem
>> 20);
2001 qapi_free_CpuInfoList(cpu_list
);
2005 #ifdef CONFIG_PROFILER
2010 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
2012 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
2013 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
2014 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
2015 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
2020 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
2022 monitor_printf(mon
, "Internal profiler not compiled\n");
2026 /* Capture support */
2027 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
2029 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
2034 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2035 monitor_printf(mon
, "[%d]: ", i
);
2036 s
->ops
.info (s
->opaque
);
2040 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
2043 int n
= qdict_get_int(qdict
, "n");
2046 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2048 s
->ops
.destroy (s
->opaque
);
2049 QLIST_REMOVE (s
, entries
);
2056 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
2058 const char *path
= qdict_get_str(qdict
, "path");
2059 int has_freq
= qdict_haskey(qdict
, "freq");
2060 int freq
= qdict_get_try_int(qdict
, "freq", -1);
2061 int has_bits
= qdict_haskey(qdict
, "bits");
2062 int bits
= qdict_get_try_int(qdict
, "bits", -1);
2063 int has_channels
= qdict_haskey(qdict
, "nchannels");
2064 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
2067 s
= g_malloc0 (sizeof (*s
));
2069 freq
= has_freq
? freq
: 44100;
2070 bits
= has_bits
? bits
: 16;
2071 nchannels
= has_channels
? nchannels
: 2;
2073 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
2074 monitor_printf(mon
, "Failed to add wave capture\n");
2078 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
2081 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
2083 qemu_acl
*acl
= qemu_acl_find(name
);
2086 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
2091 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
2093 const char *aclname
= qdict_get_str(qdict
, "aclname");
2094 qemu_acl
*acl
= find_acl(mon
, aclname
);
2095 qemu_acl_entry
*entry
;
2099 monitor_printf(mon
, "policy: %s\n",
2100 acl
->defaultDeny
? "deny" : "allow");
2101 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
2103 monitor_printf(mon
, "%d: %s %s\n", i
,
2104 entry
->deny
? "deny" : "allow", entry
->match
);
2109 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
2111 const char *aclname
= qdict_get_str(qdict
, "aclname");
2112 qemu_acl
*acl
= find_acl(mon
, aclname
);
2115 qemu_acl_reset(acl
);
2116 monitor_printf(mon
, "acl: removed all rules\n");
2120 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
2122 const char *aclname
= qdict_get_str(qdict
, "aclname");
2123 const char *policy
= qdict_get_str(qdict
, "policy");
2124 qemu_acl
*acl
= find_acl(mon
, aclname
);
2127 if (strcmp(policy
, "allow") == 0) {
2128 acl
->defaultDeny
= 0;
2129 monitor_printf(mon
, "acl: policy set to 'allow'\n");
2130 } else if (strcmp(policy
, "deny") == 0) {
2131 acl
->defaultDeny
= 1;
2132 monitor_printf(mon
, "acl: policy set to 'deny'\n");
2134 monitor_printf(mon
, "acl: unknown policy '%s', "
2135 "expected 'deny' or 'allow'\n", policy
);
2140 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
2142 const char *aclname
= qdict_get_str(qdict
, "aclname");
2143 const char *match
= qdict_get_str(qdict
, "match");
2144 const char *policy
= qdict_get_str(qdict
, "policy");
2145 int has_index
= qdict_haskey(qdict
, "index");
2146 int index
= qdict_get_try_int(qdict
, "index", -1);
2147 qemu_acl
*acl
= find_acl(mon
, aclname
);
2151 if (strcmp(policy
, "allow") == 0) {
2153 } else if (strcmp(policy
, "deny") == 0) {
2156 monitor_printf(mon
, "acl: unknown policy '%s', "
2157 "expected 'deny' or 'allow'\n", policy
);
2161 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
2163 ret
= qemu_acl_append(acl
, deny
, match
);
2165 monitor_printf(mon
, "acl: unable to add acl entry\n");
2167 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
2171 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
2173 const char *aclname
= qdict_get_str(qdict
, "aclname");
2174 const char *match
= qdict_get_str(qdict
, "match");
2175 qemu_acl
*acl
= find_acl(mon
, aclname
);
2179 ret
= qemu_acl_remove(acl
, match
);
2181 monitor_printf(mon
, "acl: no matching acl entry\n");
2183 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
2187 void qmp_getfd(const char *fdname
, Error
**errp
)
2192 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
2194 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2198 if (qemu_isdigit(fdname
[0])) {
2200 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
2201 "a name not starting with a digit");
2205 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2206 if (strcmp(monfd
->name
, fdname
) != 0) {
2215 monfd
= g_malloc0(sizeof(mon_fd_t
));
2216 monfd
->name
= g_strdup(fdname
);
2219 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
2222 void qmp_closefd(const char *fdname
, Error
**errp
)
2226 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2227 if (strcmp(monfd
->name
, fdname
) != 0) {
2231 QLIST_REMOVE(monfd
, next
);
2233 g_free(monfd
->name
);
2238 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
2241 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
2245 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
2248 if (strcmp(monfd
->name
, fdname
) != 0) {
2254 /* caller takes ownership of fd */
2255 QLIST_REMOVE(monfd
, next
);
2256 g_free(monfd
->name
);
2262 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2266 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2268 MonFdsetFd
*mon_fdset_fd
;
2269 MonFdsetFd
*mon_fdset_fd_next
;
2271 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2272 if ((mon_fdset_fd
->removed
||
2273 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2274 runstate_is_running()) {
2275 close(mon_fdset_fd
->fd
);
2276 g_free(mon_fdset_fd
->opaque
);
2277 QLIST_REMOVE(mon_fdset_fd
, next
);
2278 g_free(mon_fdset_fd
);
2282 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2283 QLIST_REMOVE(mon_fdset
, next
);
2288 static void monitor_fdsets_cleanup(void)
2290 MonFdset
*mon_fdset
;
2291 MonFdset
*mon_fdset_next
;
2293 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2294 monitor_fdset_cleanup(mon_fdset
);
2298 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2299 const char *opaque
, Error
**errp
)
2302 Monitor
*mon
= cur_mon
;
2305 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2307 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2311 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2312 has_opaque
, opaque
, errp
);
2324 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2326 MonFdset
*mon_fdset
;
2327 MonFdsetFd
*mon_fdset_fd
;
2330 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2331 if (mon_fdset
->id
!= fdset_id
) {
2334 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2336 if (mon_fdset_fd
->fd
!= fd
) {
2339 mon_fdset_fd
->removed
= true;
2342 mon_fdset_fd
->removed
= true;
2345 if (has_fd
&& !mon_fdset_fd
) {
2348 monitor_fdset_cleanup(mon_fdset
);
2354 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2357 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2359 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2362 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2364 MonFdset
*mon_fdset
;
2365 MonFdsetFd
*mon_fdset_fd
;
2366 FdsetInfoList
*fdset_list
= NULL
;
2368 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2369 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2370 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2372 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2373 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2375 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2376 FdsetFdInfoList
*fdsetfd_info
;
2378 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2379 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2380 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2381 if (mon_fdset_fd
->opaque
) {
2382 fdsetfd_info
->value
->has_opaque
= true;
2383 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2385 fdsetfd_info
->value
->has_opaque
= false;
2388 fdsetfd_info
->next
= fdsetfd_list
;
2389 fdsetfd_list
= fdsetfd_info
;
2392 fdset_info
->value
->fds
= fdsetfd_list
;
2394 fdset_info
->next
= fdset_list
;
2395 fdset_list
= fdset_info
;
2401 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2402 bool has_opaque
, const char *opaque
,
2405 MonFdset
*mon_fdset
= NULL
;
2406 MonFdsetFd
*mon_fdset_fd
;
2410 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2411 /* Break if match found or match impossible due to ordering by ID */
2412 if (fdset_id
<= mon_fdset
->id
) {
2413 if (fdset_id
< mon_fdset
->id
) {
2421 if (mon_fdset
== NULL
) {
2422 int64_t fdset_id_prev
= -1;
2423 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2427 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2428 "a non-negative value");
2431 /* Use specified fdset ID */
2432 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2433 mon_fdset_cur
= mon_fdset
;
2434 if (fdset_id
< mon_fdset_cur
->id
) {
2439 /* Use first available fdset ID */
2440 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2441 mon_fdset_cur
= mon_fdset
;
2442 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2443 fdset_id_prev
= mon_fdset_cur
->id
;
2450 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2452 mon_fdset
->id
= fdset_id
;
2454 mon_fdset
->id
= fdset_id_prev
+ 1;
2457 /* The fdset list is ordered by fdset ID */
2458 if (!mon_fdset_cur
) {
2459 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2460 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2461 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2463 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2467 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2468 mon_fdset_fd
->fd
= fd
;
2469 mon_fdset_fd
->removed
= false;
2471 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2473 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2475 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2476 fdinfo
->fdset_id
= mon_fdset
->id
;
2477 fdinfo
->fd
= mon_fdset_fd
->fd
;
2482 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2485 MonFdset
*mon_fdset
;
2486 MonFdsetFd
*mon_fdset_fd
;
2489 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2490 if (mon_fdset
->id
!= fdset_id
) {
2493 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2494 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2495 if (mon_fd_flags
== -1) {
2499 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2500 return mon_fdset_fd
->fd
;
2512 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2514 MonFdset
*mon_fdset
;
2515 MonFdsetFd
*mon_fdset_fd_dup
;
2517 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2518 if (mon_fdset
->id
!= fdset_id
) {
2521 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2522 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2526 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2527 mon_fdset_fd_dup
->fd
= dup_fd
;
2528 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2534 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2536 MonFdset
*mon_fdset
;
2537 MonFdsetFd
*mon_fdset_fd_dup
;
2539 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2540 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2541 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2543 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2544 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2545 monitor_fdset_cleanup(mon_fdset
);
2549 return mon_fdset
->id
;
2557 int monitor_fdset_dup_fd_find(int dup_fd
)
2559 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2562 void monitor_fdset_dup_fd_remove(int dup_fd
)
2564 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2567 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2570 Error
*local_err
= NULL
;
2572 if (!qemu_isdigit(fdname
[0]) && mon
) {
2573 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2575 fd
= qemu_parse_fd(fdname
);
2577 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2582 error_propagate(errp
, local_err
);
2591 /* Please update hmp-commands.hx when adding or changing commands */
2592 static mon_cmd_t info_cmds
[] = {
2593 #include "hmp-commands-info.h"
2597 /* mon_cmds and info_cmds would be sorted at runtime */
2598 static mon_cmd_t mon_cmds
[] = {
2599 #include "hmp-commands.h"
2603 /*******************************************************************/
2605 static const char *pch
;
2606 static sigjmp_buf expr_env
;
2609 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2610 expr_error(Monitor
*mon
, const char *fmt
, ...)
2614 monitor_vprintf(mon
, fmt
, ap
);
2615 monitor_printf(mon
, "\n");
2617 siglongjmp(expr_env
, 1);
2620 /* return 0 if OK, -1 if not found */
2621 static int get_monitor_def(target_long
*pval
, const char *name
)
2623 const MonitorDef
*md
= target_monitor_defs();
2624 CPUState
*cs
= mon_get_cpu();
2629 if (cs
== NULL
|| md
== NULL
) {
2633 for(; md
->name
!= NULL
; md
++) {
2634 if (compare_cmd(name
, md
->name
)) {
2635 if (md
->get_value
) {
2636 *pval
= md
->get_value(md
, md
->offset
);
2638 CPUArchState
*env
= mon_get_cpu_env();
2639 ptr
= (uint8_t *)env
+ md
->offset
;
2642 *pval
= *(int32_t *)ptr
;
2645 *pval
= *(target_long
*)ptr
;
2656 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2658 *pval
= (target_long
) tmp
;
2664 static void next(void)
2668 while (qemu_isspace(*pch
))
2673 static int64_t expr_sum(Monitor
*mon
);
2675 static int64_t expr_unary(Monitor
*mon
)
2684 n
= expr_unary(mon
);
2688 n
= -expr_unary(mon
);
2692 n
= ~expr_unary(mon
);
2698 expr_error(mon
, "')' expected");
2705 expr_error(mon
, "character constant expected");
2709 expr_error(mon
, "missing terminating \' character");
2719 while ((*pch
>= 'a' && *pch
<= 'z') ||
2720 (*pch
>= 'A' && *pch
<= 'Z') ||
2721 (*pch
>= '0' && *pch
<= '9') ||
2722 *pch
== '_' || *pch
== '.') {
2723 if ((q
- buf
) < sizeof(buf
) - 1)
2727 while (qemu_isspace(*pch
))
2730 ret
= get_monitor_def(®
, buf
);
2732 expr_error(mon
, "unknown register");
2737 expr_error(mon
, "unexpected end of expression");
2742 n
= strtoull(pch
, &p
, 0);
2743 if (errno
== ERANGE
) {
2744 expr_error(mon
, "number too large");
2747 expr_error(mon
, "invalid char '%c' in expression", *p
);
2750 while (qemu_isspace(*pch
))
2758 static int64_t expr_prod(Monitor
*mon
)
2763 val
= expr_unary(mon
);
2766 if (op
!= '*' && op
!= '/' && op
!= '%')
2769 val2
= expr_unary(mon
);
2778 expr_error(mon
, "division by zero");
2789 static int64_t expr_logic(Monitor
*mon
)
2794 val
= expr_prod(mon
);
2797 if (op
!= '&' && op
!= '|' && op
!= '^')
2800 val2
= expr_prod(mon
);
2817 static int64_t expr_sum(Monitor
*mon
)
2822 val
= expr_logic(mon
);
2825 if (op
!= '+' && op
!= '-')
2828 val2
= expr_logic(mon
);
2837 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2840 if (sigsetjmp(expr_env
, 0)) {
2844 while (qemu_isspace(*pch
))
2846 *pval
= expr_sum(mon
);
2851 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2853 const char *p
= *pp
;
2857 d
= strtod(p
, &tailp
);
2859 monitor_printf(mon
, "Number expected\n");
2862 if (d
!= d
|| d
- d
!= 0) {
2863 /* NaN or infinity */
2864 monitor_printf(mon
, "Bad number\n");
2873 * Store the command-name in cmdname, and return a pointer to
2874 * the remaining of the command string.
2876 static const char *get_command_name(const char *cmdline
,
2877 char *cmdname
, size_t nlen
)
2880 const char *p
, *pstart
;
2883 while (qemu_isspace(*p
))
2888 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2893 memcpy(cmdname
, pstart
, len
);
2894 cmdname
[len
] = '\0';
2899 * Read key of 'type' into 'key' and return the current
2902 static char *key_get_info(const char *type
, char **key
)
2910 p
= strchr(type
, ':');
2917 str
= g_malloc(len
+ 1);
2918 memcpy(str
, type
, len
);
2925 static int default_fmt_format
= 'x';
2926 static int default_fmt_size
= 4;
2928 static int is_valid_option(const char *c
, const char *typestr
)
2936 typestr
= strstr(typestr
, option
);
2937 return (typestr
!= NULL
);
2940 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2941 const char *cmdname
)
2943 const mon_cmd_t
*cmd
;
2945 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2946 if (compare_cmd(cmdname
, cmd
->name
)) {
2955 * Parse command name from @cmdp according to command table @table.
2956 * If blank, return NULL.
2957 * Else, if no valid command can be found, report to @mon, and return
2959 * Else, change @cmdp to point right behind the name, and return its
2960 * command table entry.
2961 * Do not assume the return value points into @table! It doesn't when
2962 * the command is found in a sub-command table.
2964 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2965 const char *cmdp_start
,
2970 const mon_cmd_t
*cmd
;
2973 /* extract the command name */
2974 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2978 cmd
= search_dispatch_table(table
, cmdname
);
2980 monitor_printf(mon
, "unknown command: '%.*s'\n",
2981 (int)(p
- cmdp_start
), cmdp_start
);
2985 /* filter out following useless space */
2986 while (qemu_isspace(*p
)) {
2991 /* search sub command */
2992 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2993 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
3000 * Parse arguments for @cmd.
3001 * If it can't be parsed, report to @mon, and return NULL.
3002 * Else, insert command arguments into a QDict, and return it.
3003 * Note: On success, caller has to free the QDict structure.
3006 static QDict
*monitor_parse_arguments(Monitor
*mon
,
3008 const mon_cmd_t
*cmd
)
3010 const char *typestr
;
3013 const char *p
= *endp
;
3015 QDict
*qdict
= qdict_new();
3017 /* parse the parameters */
3018 typestr
= cmd
->args_type
;
3020 typestr
= key_get_info(typestr
, &key
);
3032 while (qemu_isspace(*p
))
3034 if (*typestr
== '?') {
3037 /* no optional string: NULL argument */
3041 ret
= get_str(buf
, sizeof(buf
), &p
);
3045 monitor_printf(mon
, "%s: filename expected\n",
3049 monitor_printf(mon
, "%s: block device name expected\n",
3053 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
3058 qdict_put_str(qdict
, key
, buf
);
3063 QemuOptsList
*opts_list
;
3066 opts_list
= qemu_find_opts(key
);
3067 if (!opts_list
|| opts_list
->desc
->name
) {
3070 while (qemu_isspace(*p
)) {
3075 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
3078 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
3082 qemu_opts_to_qdict(opts
, qdict
);
3083 qemu_opts_del(opts
);
3088 int count
, format
, size
;
3090 while (qemu_isspace(*p
))
3096 if (qemu_isdigit(*p
)) {
3098 while (qemu_isdigit(*p
)) {
3099 count
= count
* 10 + (*p
- '0');
3137 if (*p
!= '\0' && !qemu_isspace(*p
)) {
3138 monitor_printf(mon
, "invalid char in format: '%c'\n",
3143 format
= default_fmt_format
;
3144 if (format
!= 'i') {
3145 /* for 'i', not specifying a size gives -1 as size */
3147 size
= default_fmt_size
;
3148 default_fmt_size
= size
;
3150 default_fmt_format
= format
;
3153 format
= default_fmt_format
;
3154 if (format
!= 'i') {
3155 size
= default_fmt_size
;
3160 qdict_put_int(qdict
, "count", count
);
3161 qdict_put_int(qdict
, "format", format
);
3162 qdict_put_int(qdict
, "size", size
);
3171 while (qemu_isspace(*p
))
3173 if (*typestr
== '?' || *typestr
== '.') {
3174 if (*typestr
== '?') {
3182 while (qemu_isspace(*p
))
3191 if (get_expr(mon
, &val
, &p
))
3193 /* Check if 'i' is greater than 32-bit */
3194 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
3195 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
3196 monitor_printf(mon
, "integer is for 32-bit values\n");
3198 } else if (c
== 'M') {
3200 monitor_printf(mon
, "enter a positive value\n");
3205 qdict_put_int(qdict
, key
, val
);
3214 while (qemu_isspace(*p
)) {
3217 if (*typestr
== '?') {
3223 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
3224 if (ret
< 0 || val
> INT64_MAX
) {
3225 monitor_printf(mon
, "invalid size\n");
3228 qdict_put_int(qdict
, key
, val
);
3236 while (qemu_isspace(*p
))
3238 if (*typestr
== '?') {
3244 if (get_double(mon
, &val
, &p
) < 0) {
3247 if (p
[0] && p
[1] == 's') {
3250 val
/= 1e3
; p
+= 2; break;
3252 val
/= 1e6
; p
+= 2; break;
3254 val
/= 1e9
; p
+= 2; break;
3257 if (*p
&& !qemu_isspace(*p
)) {
3258 monitor_printf(mon
, "Unknown unit suffix\n");
3261 qdict_put(qdict
, key
, qnum_from_double(val
));
3269 while (qemu_isspace(*p
)) {
3273 while (qemu_isgraph(*p
)) {
3276 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3278 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3281 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3284 qdict_put_bool(qdict
, key
, val
);
3289 const char *tmp
= p
;
3296 while (qemu_isspace(*p
))
3301 if(!is_valid_option(p
, typestr
)) {
3303 monitor_printf(mon
, "%s: unsupported option -%c\n",
3315 qdict_put_bool(qdict
, key
, true);
3322 /* package all remaining string */
3325 while (qemu_isspace(*p
)) {
3328 if (*typestr
== '?') {
3331 /* no remaining string: NULL argument */
3337 monitor_printf(mon
, "%s: string expected\n",
3341 qdict_put_str(qdict
, key
, p
);
3347 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3353 /* check that all arguments were parsed */
3354 while (qemu_isspace(*p
))
3357 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3365 qobject_unref(qdict
);
3370 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3373 const mon_cmd_t
*cmd
;
3375 trace_handle_hmp_command(mon
, cmdline
);
3377 if (runstate_check(RUN_STATE_PRECONFIG
)) {
3378 monitor_printf(mon
, "HMP not available in preconfig state, "
3379 "use QMP instead\n");
3383 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3388 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3390 monitor_printf(mon
, "Try \"help %s\" for more information\n",
3395 cmd
->cmd(mon
, qdict
);
3396 qobject_unref(qdict
);
3399 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3401 const char *p
, *pstart
;
3410 p
= pstart
+ strlen(pstart
);
3412 if (len
> sizeof(cmd
) - 2)
3413 len
= sizeof(cmd
) - 2;
3414 memcpy(cmd
, pstart
, len
);
3416 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3417 readline_add_completion(mon
->rs
, cmd
);
3425 static void file_completion(Monitor
*mon
, const char *input
)
3430 char file
[1024], file_prefix
[1024];
3434 p
= strrchr(input
, '/');
3437 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3438 pstrcpy(path
, sizeof(path
), ".");
3440 input_path_len
= p
- input
+ 1;
3441 memcpy(path
, input
, input_path_len
);
3442 if (input_path_len
> sizeof(path
) - 1)
3443 input_path_len
= sizeof(path
) - 1;
3444 path
[input_path_len
] = '\0';
3445 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3448 ffs
= opendir(path
);
3457 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3461 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3462 memcpy(file
, input
, input_path_len
);
3463 if (input_path_len
< sizeof(file
))
3464 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3466 /* stat the file to find out if it's a directory.
3467 * In that case add a slash to speed up typing long paths
3469 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3470 pstrcat(file
, sizeof(file
), "/");
3472 readline_add_completion(mon
->rs
, file
);
3478 static const char *next_arg_type(const char *typestr
)
3480 const char *p
= strchr(typestr
, ':');
3481 return (p
!= NULL
? ++p
: typestr
);
3484 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3487 if (!str
|| !option
) {
3490 if (!strncmp(option
, str
, strlen(str
))) {
3491 readline_add_completion(rs
, option
);
3495 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3498 ChardevBackendInfoList
*list
, *start
;
3504 readline_set_completion_index(rs
, len
);
3506 start
= list
= qmp_query_chardev_backends(NULL
);
3508 const char *chr_name
= list
->value
->name
;
3510 if (!strncmp(chr_name
, str
, len
)) {
3511 readline_add_completion(rs
, chr_name
);
3515 qapi_free_ChardevBackendInfoList(start
);
3518 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3527 readline_set_completion_index(rs
, len
);
3528 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3529 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3533 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3543 readline_set_completion_index(rs
, len
);
3544 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3547 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3549 name
= object_class_get_name(OBJECT_CLASS(dc
));
3551 if (dc
->user_creatable
3552 && !strncmp(name
, str
, len
)) {
3553 readline_add_completion(rs
, name
);
3560 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3570 readline_set_completion_index(rs
, len
);
3571 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3575 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3576 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3577 readline_add_completion(rs
, name
);
3584 static void peripheral_device_del_completion(ReadLineState
*rs
,
3585 const char *str
, size_t len
)
3587 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3588 GSList
*list
, *item
;
3590 list
= qdev_build_hotpluggable_device_list(peripheral
);
3595 for (item
= list
; item
; item
= g_slist_next(item
)) {
3596 DeviceState
*dev
= item
->data
;
3598 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3599 readline_add_completion(rs
, dev
->id
);
3606 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3609 ChardevInfoList
*list
, *start
;
3615 readline_set_completion_index(rs
, len
);
3617 start
= list
= qmp_query_chardev(NULL
);
3619 ChardevInfo
*chr
= list
->value
;
3621 if (!strncmp(chr
->label
, str
, len
)) {
3622 readline_add_completion(rs
, chr
->label
);
3626 qapi_free_ChardevInfoList(start
);
3629 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3632 ChardevInfoList
*list
, *start
;
3635 readline_set_completion_index(rs
, len
);
3637 start
= list
= qmp_query_chardev(NULL
);
3639 ChardevInfo
*chr_info
= list
->value
;
3641 if (!strncmp(chr_info
->label
, str
, len
)) {
3642 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3643 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3644 readline_add_completion(rs
, chr_info
->label
);
3649 qapi_free_ChardevInfoList(start
);
3652 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3657 ringbuf_completion(rs
, str
);
3660 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3669 readline_set_completion_index(rs
, len
);
3670 peripheral_device_del_completion(rs
, str
, len
);
3673 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3675 ObjectPropertyInfoList
*list
, *start
;
3682 readline_set_completion_index(rs
, len
);
3684 start
= list
= qmp_qom_list("/objects", NULL
);
3686 ObjectPropertyInfo
*info
= list
->value
;
3688 if (!strncmp(info
->type
, "child<", 5)
3689 && !strncmp(info
->name
, str
, len
)) {
3690 readline_add_completion(rs
, info
->name
);
3694 qapi_free_ObjectPropertyInfoList(start
);
3697 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3706 sep
= strrchr(str
, '-');
3711 readline_set_completion_index(rs
, len
);
3712 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3713 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3714 readline_add_completion(rs
, QKeyCode_str(i
));
3719 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3724 readline_set_completion_index(rs
, len
);
3726 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3728 count
= qemu_find_net_clients_except(NULL
, ncs
,
3729 NET_CLIENT_DRIVER_NONE
,
3731 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3732 const char *name
= ncs
[i
]->name
;
3733 if (!strncmp(str
, name
, len
)) {
3734 readline_add_completion(rs
, name
);
3737 } else if (nb_args
== 3) {
3738 add_completion_option(rs
, str
, "on");
3739 add_completion_option(rs
, str
, "off");
3743 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3746 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3753 readline_set_completion_index(rs
, len
);
3754 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3756 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3758 const char *name
= ncs
[i
]->name
;
3759 if (strncmp(str
, name
, len
)) {
3762 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3764 readline_add_completion(rs
, name
);
3769 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3774 readline_set_completion_index(rs
, len
);
3776 TraceEventIter iter
;
3778 char *pattern
= g_strdup_printf("%s*", str
);
3779 trace_event_iter_init(&iter
, pattern
);
3780 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3781 readline_add_completion(rs
, trace_event_get_name(ev
));
3787 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3792 readline_set_completion_index(rs
, len
);
3794 TraceEventIter iter
;
3796 char *pattern
= g_strdup_printf("%s*", str
);
3797 trace_event_iter_init(&iter
, pattern
);
3798 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3799 readline_add_completion(rs
, trace_event_get_name(ev
));
3802 } else if (nb_args
== 3) {
3803 add_completion_option(rs
, str
, "on");
3804 add_completion_option(rs
, str
, "off");
3808 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3815 readline_set_completion_index(rs
, strlen(str
));
3816 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3817 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3821 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3827 readline_set_completion_index(rs
, len
);
3830 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3831 const char *name
= MigrationCapability_str(i
);
3832 if (!strncmp(str
, name
, len
)) {
3833 readline_add_completion(rs
, name
);
3836 } else if (nb_args
== 3) {
3837 add_completion_option(rs
, str
, "on");
3838 add_completion_option(rs
, str
, "off");
3842 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3848 readline_set_completion_index(rs
, len
);
3851 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3852 const char *name
= MigrationParameter_str(i
);
3853 if (!strncmp(str
, name
, len
)) {
3854 readline_add_completion(rs
, name
);
3860 static void vm_completion(ReadLineState
*rs
, const char *str
)
3863 BlockDriverState
*bs
;
3864 BdrvNextIterator it
;
3867 readline_set_completion_index(rs
, len
);
3869 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3870 SnapshotInfoList
*snapshots
, *snapshot
;
3871 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3874 aio_context_acquire(ctx
);
3875 if (bdrv_can_snapshot(bs
)) {
3876 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3878 aio_context_release(ctx
);
3883 snapshot
= snapshots
;
3885 char *completion
= snapshot
->value
->name
;
3886 if (!strncmp(str
, completion
, len
)) {
3887 readline_add_completion(rs
, completion
);
3889 completion
= snapshot
->value
->id
;
3890 if (!strncmp(str
, completion
, len
)) {
3891 readline_add_completion(rs
, completion
);
3893 snapshot
= snapshot
->next
;
3895 qapi_free_SnapshotInfoList(snapshots
);
3900 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3903 vm_completion(rs
, str
);
3907 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3910 vm_completion(rs
, str
);
3914 static void monitor_find_completion_by_table(Monitor
*mon
,
3915 const mon_cmd_t
*cmd_table
,
3919 const char *cmdname
;
3921 const char *ptype
, *old_ptype
, *str
, *name
;
3922 const mon_cmd_t
*cmd
;
3923 BlockBackend
*blk
= NULL
;
3926 /* command completion */
3931 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3932 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3933 cmd_completion(mon
, cmdname
, cmd
->name
);
3936 /* find the command */
3937 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3938 if (compare_cmd(args
[0], cmd
->name
)) {
3946 if (cmd
->sub_table
) {
3947 /* do the job again */
3948 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3949 &args
[1], nb_args
- 1);
3952 if (cmd
->command_completion
) {
3953 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3957 ptype
= next_arg_type(cmd
->args_type
);
3958 for(i
= 0; i
< nb_args
- 2; i
++) {
3959 if (*ptype
!= '\0') {
3960 ptype
= next_arg_type(ptype
);
3961 while (*ptype
== '?')
3962 ptype
= next_arg_type(ptype
);
3965 str
= args
[nb_args
- 1];
3967 while (*ptype
== '-' && old_ptype
!= ptype
) {
3969 ptype
= next_arg_type(ptype
);
3973 /* file completion */
3974 readline_set_completion_index(mon
->rs
, strlen(str
));
3975 file_completion(mon
, str
);
3978 /* block device name completion */
3979 readline_set_completion_index(mon
->rs
, strlen(str
));
3980 while ((blk
= blk_next(blk
)) != NULL
) {
3981 name
= blk_name(blk
);
3982 if (str
[0] == '\0' ||
3983 !strncmp(name
, str
, strlen(str
))) {
3984 readline_add_completion(mon
->rs
, name
);
3990 if (!strcmp(cmd
->name
, "help|?")) {
3991 monitor_find_completion_by_table(mon
, cmd_table
,
3992 &args
[1], nb_args
- 1);
4001 static void monitor_find_completion(void *opaque
,
4002 const char *cmdline
)
4004 Monitor
*mon
= opaque
;
4005 char *args
[MAX_ARGS
];
4008 /* 1. parse the cmdline */
4009 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
4013 /* if the line ends with a space, it means we want to complete the
4015 len
= strlen(cmdline
);
4016 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
4017 if (nb_args
>= MAX_ARGS
) {
4020 args
[nb_args
++] = g_strdup("");
4023 /* 2. auto complete according to args */
4024 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
4027 free_cmdline_args(args
, nb_args
);
4030 static int monitor_can_read(void *opaque
)
4032 Monitor
*mon
= opaque
;
4034 return !atomic_mb_read(&mon
->suspend_cnt
);
4038 * 1. This function takes ownership of rsp, err, and id.
4039 * 2. rsp, err, and id may be NULL.
4040 * 3. If err != NULL then rsp must be NULL.
4042 static void monitor_qmp_respond(Monitor
*mon
, QObject
*rsp
,
4043 Error
*err
, QObject
*id
)
4045 QDict
*qdict
= NULL
;
4049 qdict
= qdict_new();
4050 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
4052 rsp
= QOBJECT(qdict
);
4057 qdict_put_obj(qobject_to(QDict
, rsp
), "id", qobject_ref(id
));
4060 monitor_json_emitter(mon
, rsp
);
4068 * Dispatch one single QMP request. The function will free the req_obj
4069 * and objects inside it before return.
4071 static void monitor_qmp_dispatch_one(QMPRequest
*req_obj
)
4073 Monitor
*mon
, *old_mon
;
4074 QObject
*req
, *rsp
= NULL
, *id
;
4080 need_resume
= req_obj
->need_resume
;
4084 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
4085 QString
*req_json
= qobject_to_json(req
);
4086 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
4087 qobject_unref(req_json
);
4093 rsp
= qmp_dispatch(mon
->qmp
.commands
, req
);
4097 /* Respond if necessary */
4098 monitor_qmp_respond(mon
, rsp
, NULL
, id
);
4100 /* This pairs with the monitor_suspend() in handle_qmp_command(). */
4102 monitor_resume(mon
);
4109 * Pop one QMP request from monitor queues, return NULL if not found.
4110 * We are using round-robin fashion to pop the request, to avoid
4111 * processing commands only on a very busy monitor. To achieve that,
4112 * when we process one request on a specific monitor, we put that
4113 * monitor to the end of mon_list queue.
4115 static QMPRequest
*monitor_qmp_requests_pop_one(void)
4117 QMPRequest
*req_obj
= NULL
;
4120 qemu_mutex_lock(&monitor_lock
);
4122 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
4123 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4124 req_obj
= g_queue_pop_head(mon
->qmp
.qmp_requests
);
4125 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4133 * We found one request on the monitor. Degrade this monitor's
4134 * priority to lowest by re-inserting it to end of queue.
4136 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4137 QTAILQ_INSERT_TAIL(&mon_list
, mon
, entry
);
4140 qemu_mutex_unlock(&monitor_lock
);
4145 static void monitor_qmp_bh_dispatcher(void *data
)
4147 QMPRequest
*req_obj
= monitor_qmp_requests_pop_one();
4150 trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj
->id
) ?: "");
4151 monitor_qmp_dispatch_one(req_obj
);
4152 /* Reschedule instead of looping so the main loop stays responsive */
4153 qemu_bh_schedule(mon_global
.qmp_dispatcher_bh
);
4157 #define QMP_REQ_QUEUE_LEN_MAX (8)
4159 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
4161 QObject
*req
, *id
= NULL
;
4162 QDict
*qdict
= NULL
;
4163 MonitorQMP
*mon_qmp
= container_of(parser
, MonitorQMP
, parser
);
4164 Monitor
*mon
= container_of(mon_qmp
, Monitor
, qmp
);
4166 QMPRequest
*req_obj
;
4168 req
= json_parser_parse_err(tokens
, NULL
, &err
);
4170 /* json_parser_parse_err() sucks: can fail without setting @err */
4171 error_setg(&err
, QERR_JSON_PARSING
);
4177 /* Check against the request in general layout */
4178 qdict
= qmp_dispatch_check_obj(req
, &err
);
4183 /* Check against OOB specific */
4184 if (!qmp_cmd_oob_check(mon
, qdict
, &err
)) {
4188 id
= qdict_get(qdict
, "id");
4190 /* When OOB is enabled, the "id" field is mandatory. */
4191 if (qmp_oob_enabled(mon
) && !id
) {
4192 error_setg(&err
, "Out-Of-Band capability requires that "
4193 "every command contains an 'id' field");
4197 req_obj
= g_new0(QMPRequest
, 1);
4199 req_obj
->id
= qobject_ref(id
);
4201 req_obj
->need_resume
= false;
4203 qdict_del(qdict
, "id");
4205 if (qmp_is_oob(qdict
)) {
4206 /* Out-Of-Band (OOB) requests are executed directly in parser. */
4207 trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(req_obj
->id
)
4209 monitor_qmp_dispatch_one(req_obj
);
4213 /* Protect qmp_requests and fetching its length. */
4214 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4217 * If OOB is not enabled on the current monitor, we'll emulate the
4218 * old behavior that we won't process the current monitor any more
4219 * until it has responded. This helps make sure that as long as
4220 * OOB is not enabled, the server will never drop any command.
4222 if (!qmp_oob_enabled(mon
)) {
4223 monitor_suspend(mon
);
4224 req_obj
->need_resume
= true;
4226 /* Drop the request if queue is full. */
4227 if (mon
->qmp
.qmp_requests
->length
>= QMP_REQ_QUEUE_LEN_MAX
) {
4228 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4229 qapi_event_send_command_dropped(id
,
4230 COMMAND_DROP_REASON_QUEUE_FULL
,
4232 qmp_request_free(req_obj
);
4238 * Put the request to the end of queue so that requests will be
4239 * handled in time order. Ownership for req_obj, req, id,
4240 * etc. will be delivered to the handler side.
4242 g_queue_push_tail(mon
->qmp
.qmp_requests
, req_obj
);
4243 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4245 /* Kick the dispatcher routine */
4246 qemu_bh_schedule(mon_global
.qmp_dispatcher_bh
);
4250 monitor_qmp_respond(mon
, NULL
, err
, NULL
);
4254 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
4256 Monitor
*mon
= opaque
;
4258 json_message_parser_feed(&mon
->qmp
.parser
, (const char *) buf
, size
);
4261 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
4263 Monitor
*old_mon
= cur_mon
;
4269 for (i
= 0; i
< size
; i
++)
4270 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
4272 if (size
== 0 || buf
[size
- 1] != 0)
4273 monitor_printf(cur_mon
, "corrupted command\n");
4275 handle_hmp_command(cur_mon
, (char *)buf
);
4281 static void monitor_command_cb(void *opaque
, const char *cmdline
,
4282 void *readline_opaque
)
4284 Monitor
*mon
= opaque
;
4286 monitor_suspend(mon
);
4287 handle_hmp_command(mon
, cmdline
);
4288 monitor_resume(mon
);
4291 int monitor_suspend(Monitor
*mon
)
4293 if (monitor_is_hmp_non_interactive(mon
)) {
4297 atomic_inc(&mon
->suspend_cnt
);
4299 if (monitor_is_qmp(mon
)) {
4301 * Kick iothread to make sure this takes effect. It'll be
4302 * evaluated again in prepare() of the watch object.
4304 aio_notify(iothread_get_aio_context(mon_global
.mon_iothread
));
4307 trace_monitor_suspend(mon
, 1);
4311 void monitor_resume(Monitor
*mon
)
4313 if (monitor_is_hmp_non_interactive(mon
)) {
4317 if (atomic_dec_fetch(&mon
->suspend_cnt
) == 0) {
4318 if (monitor_is_qmp(mon
)) {
4320 * For QMP monitors that are running in IOThread, let's
4321 * kick the thread in case it's sleeping.
4323 if (mon
->use_io_thr
) {
4324 aio_notify(iothread_get_aio_context(mon_global
.mon_iothread
));
4328 readline_show_prompt(mon
->rs
);
4331 trace_monitor_suspend(mon
, -1);
4334 static QObject
*get_qmp_greeting(Monitor
*mon
)
4336 QList
*cap_list
= qlist_new();
4337 QObject
*ver
= NULL
;
4340 qmp_marshal_query_version(NULL
, &ver
, NULL
);
4342 for (cap
= 0; cap
< QMP_CAPABILITY__MAX
; cap
++) {
4343 if (!mon
->use_io_thr
&& cap
== QMP_CAPABILITY_OOB
) {
4344 /* Monitors that are not using IOThread won't support OOB */
4347 qlist_append_str(cap_list
, QMPCapability_str(cap
));
4350 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': %p}}",
4354 static void monitor_qmp_caps_reset(Monitor
*mon
)
4356 memset(mon
->qmp
.qmp_caps
, 0, sizeof(mon
->qmp
.qmp_caps
));
4359 static void monitor_qmp_event(void *opaque
, int event
)
4362 Monitor
*mon
= opaque
;
4365 case CHR_EVENT_OPENED
:
4366 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
4367 monitor_qmp_caps_reset(mon
);
4368 data
= get_qmp_greeting(mon
);
4369 monitor_json_emitter(mon
, data
);
4370 qobject_unref(data
);
4373 case CHR_EVENT_CLOSED
:
4374 monitor_qmp_cleanup_queues(mon
);
4375 json_message_parser_destroy(&mon
->qmp
.parser
);
4376 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4378 monitor_fdsets_cleanup();
4383 static void monitor_event(void *opaque
, int event
)
4385 Monitor
*mon
= opaque
;
4388 case CHR_EVENT_MUX_IN
:
4389 qemu_mutex_lock(&mon
->mon_lock
);
4391 qemu_mutex_unlock(&mon
->mon_lock
);
4392 if (mon
->reset_seen
) {
4393 readline_restart(mon
->rs
);
4394 monitor_resume(mon
);
4397 atomic_mb_set(&mon
->suspend_cnt
, 0);
4401 case CHR_EVENT_MUX_OUT
:
4402 if (mon
->reset_seen
) {
4403 if (atomic_mb_read(&mon
->suspend_cnt
) == 0) {
4404 monitor_printf(mon
, "\n");
4407 monitor_suspend(mon
);
4409 atomic_inc(&mon
->suspend_cnt
);
4411 qemu_mutex_lock(&mon
->mon_lock
);
4413 qemu_mutex_unlock(&mon
->mon_lock
);
4416 case CHR_EVENT_OPENED
:
4417 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4418 "information\n", QEMU_VERSION
);
4419 if (!mon
->mux_out
) {
4420 readline_restart(mon
->rs
);
4421 readline_show_prompt(mon
->rs
);
4423 mon
->reset_seen
= 1;
4427 case CHR_EVENT_CLOSED
:
4429 monitor_fdsets_cleanup();
4435 compare_mon_cmd(const void *a
, const void *b
)
4437 return strcmp(((const mon_cmd_t
*)a
)->name
,
4438 ((const mon_cmd_t
*)b
)->name
);
4441 static void sortcmdlist(void)
4444 int elem_size
= sizeof(mon_cmd_t
);
4446 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4447 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4449 array_num
= sizeof(info_cmds
)/elem_size
-1;
4450 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4453 static GMainContext
*monitor_get_io_context(void)
4455 return iothread_get_g_main_context(mon_global
.mon_iothread
);
4458 static AioContext
*monitor_get_aio_context(void)
4460 return iothread_get_aio_context(mon_global
.mon_iothread
);
4463 static void monitor_iothread_init(void)
4465 mon_global
.mon_iothread
= iothread_create("mon_iothread",
4469 * This MUST be on main loop thread since we have commands that
4470 * have assumption to be run on main loop thread. It would be
4471 * nice that one day we can remove this assumption in the future.
4473 mon_global
.qmp_dispatcher_bh
= aio_bh_new(iohandler_get_aio_context(),
4474 monitor_qmp_bh_dispatcher
,
4478 * Unlike the dispatcher BH, this must be run on the monitor IO
4479 * thread, so that monitors that are using IO thread will make
4480 * sure read/write operations are all done on the IO thread.
4482 mon_global
.qmp_respond_bh
= aio_bh_new(monitor_get_aio_context(),
4483 monitor_qmp_bh_responder
,
4487 void monitor_init_globals(void)
4489 monitor_init_qmp_commands();
4490 monitor_qapi_event_init();
4492 qemu_mutex_init(&monitor_lock
);
4493 monitor_iothread_init();
4496 /* These functions just adapt the readline interface in a typesafe way. We
4497 * could cast function pointers but that discards compiler checks.
4499 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4500 const char *fmt
, ...)
4504 monitor_vprintf(opaque
, fmt
, ap
);
4508 static void monitor_readline_flush(void *opaque
)
4510 monitor_flush(opaque
);
4514 * Print to current monitor if we have one, else to stderr.
4515 * TODO should return int, so callers can calculate width, but that
4516 * requires surgery to monitor_vprintf(). Left for another day.
4518 void error_vprintf(const char *fmt
, va_list ap
)
4520 if (cur_mon
&& !monitor_cur_is_qmp()) {
4521 monitor_vprintf(cur_mon
, fmt
, ap
);
4523 vfprintf(stderr
, fmt
, ap
);
4527 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4529 if (cur_mon
&& !monitor_cur_is_qmp()) {
4530 monitor_vprintf(cur_mon
, fmt
, ap
);
4531 } else if (!cur_mon
) {
4532 vfprintf(stderr
, fmt
, ap
);
4536 static void monitor_list_append(Monitor
*mon
)
4538 qemu_mutex_lock(&monitor_lock
);
4539 QTAILQ_INSERT_HEAD(&mon_list
, mon
, entry
);
4540 qemu_mutex_unlock(&monitor_lock
);
4543 static void monitor_qmp_setup_handlers_bh(void *opaque
)
4545 Monitor
*mon
= opaque
;
4546 GMainContext
*context
;
4548 if (mon
->use_io_thr
) {
4550 * When use_io_thr is set, we use the global shared dedicated
4551 * IO thread for this monitor to handle input/output.
4553 context
= monitor_get_io_context();
4554 /* We should have inited globals before reaching here. */
4557 /* The default main loop, which is the main thread */
4561 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4562 monitor_qmp_event
, NULL
, mon
, context
, true);
4563 monitor_list_append(mon
);
4566 void monitor_init(Chardev
*chr
, int flags
)
4568 Monitor
*mon
= g_malloc(sizeof(*mon
));
4569 bool use_readline
= flags
& MONITOR_USE_READLINE
;
4570 bool use_oob
= flags
& MONITOR_USE_OOB
;
4573 if (CHARDEV_IS_MUX(chr
)) {
4574 error_report("Monitor Out-Of-Band is not supported with "
4575 "MUX typed chardev backend");
4579 error_report("Monitor Out-Of-band is only supported by QMP");
4584 monitor_data_init(mon
, false, use_oob
);
4586 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4589 mon
->rs
= readline_init(monitor_readline_printf
,
4590 monitor_readline_flush
,
4592 monitor_find_completion
);
4593 monitor_read_command(mon
, 0);
4596 if (monitor_is_qmp(mon
)) {
4597 qemu_chr_fe_set_echo(&mon
->chr
, true);
4598 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4599 if (mon
->use_io_thr
) {
4601 * Make sure the old iowatch is gone. It's possible when
4602 * e.g. the chardev is in client mode, with wait=on.
4604 remove_fd_in_watch(chr
);
4606 * We can't call qemu_chr_fe_set_handlers() directly here
4607 * since during the procedure the chardev will be active
4608 * and running in monitor iothread, while we'll still do
4609 * something before returning from it, which is a possible
4610 * race too. To avoid that, we just create a BH to setup
4613 aio_bh_schedule_oneshot(monitor_get_aio_context(),
4614 monitor_qmp_setup_handlers_bh
, mon
);
4615 /* We'll add this to mon_list in the BH when setup done */
4618 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
,
4619 monitor_qmp_read
, monitor_qmp_event
,
4620 NULL
, mon
, NULL
, true);
4623 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4624 monitor_event
, NULL
, mon
, NULL
, true);
4627 monitor_list_append(mon
);
4630 void monitor_cleanup(void)
4632 Monitor
*mon
, *next
;
4635 * We need to explicitly stop the iothread (but not destroy it),
4636 * cleanup the monitor resources, then destroy the iothread since
4637 * we need to unregister from chardev below in
4638 * monitor_data_destroy(), and chardev is not thread-safe yet
4640 iothread_stop(mon_global
.mon_iothread
);
4643 * After we have IOThread to send responses, it's possible that
4644 * when we stop the IOThread there are still replies queued in the
4645 * responder queue. Flush all of them. Note that even after this
4646 * flush it's still possible that out buffer is not flushed.
4647 * It'll be done in below monitor_flush() as the last resort.
4649 monitor_qmp_bh_responder(NULL
);
4651 qemu_mutex_lock(&monitor_lock
);
4652 QTAILQ_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4653 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4655 monitor_data_destroy(mon
);
4658 qemu_mutex_unlock(&monitor_lock
);
4660 /* QEMUBHs needs to be deleted before destroying the IOThread. */
4661 qemu_bh_delete(mon_global
.qmp_dispatcher_bh
);
4662 mon_global
.qmp_dispatcher_bh
= NULL
;
4663 qemu_bh_delete(mon_global
.qmp_respond_bh
);
4664 mon_global
.qmp_respond_bh
= NULL
;
4666 iothread_destroy(mon_global
.mon_iothread
);
4667 mon_global
.mon_iothread
= NULL
;
4670 QemuOptsList qemu_mon_opts
= {
4672 .implied_opt_name
= "chardev",
4673 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4677 .type
= QEMU_OPT_STRING
,
4680 .type
= QEMU_OPT_STRING
,
4683 .type
= QEMU_OPT_BOOL
,
4686 .type
= QEMU_OPT_BOOL
,
4688 { /* end of list */ }
4693 void qmp_rtc_reset_reinjection(Error
**errp
)
4695 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4698 SevInfo
*qmp_query_sev(Error
**errp
)
4700 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4704 SevLaunchMeasureInfo
*qmp_query_sev_launch_measure(Error
**errp
)
4706 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-launch-measure");
4710 SevCapability
*qmp_query_sev_capabilities(Error
**errp
)
4712 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-capabilities");
4717 #ifndef TARGET_S390X
4718 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4720 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4725 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4727 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4732 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4734 MachineState
*ms
= MACHINE(qdev_get_machine());
4735 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4737 if (!mc
->has_hotpluggable_cpus
) {
4738 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4742 return machine_query_hotpluggable_cpus(ms
);